A Search for OH Megamasers at z > 0.1. II. Further Results

Details A Search for OH Megamasers at z > 0.1. II. Further Results A Search for OH Megamasers at z > 0.1. II. Further Results

2001-02-20

arxiv.org/abs/astro-ph/0102345v1

Astronomy and Astrophysics

Astrophysics

19 pages with 6 embedded figures and 4 tables. To appear in the Astronomical Journal (March 2001)

Scientific paper

10.1086/319413

We present current results of an ongoing survey for OH megamasers in luminous infrared galaxies at the Arecibo Observatory. The survey is now two-thirds complete, and has resulted in the discovery of 35 new OH megamasers at z > 0.1, 24 of which are presented in this paper. We discuss the properties of each source in detail, including an exhaustive survey of the literature. We also place upper limits on the OH emission from 107 nondetections and list their IR, radio, and optical properties. The survey detection rate is 1 OH megamaser for every 6 candidates overall, but is a strong function of the far IR luminosity of candidates and may depend on merger stage or on the central engine responsible for the IR luminosity in the merging galaxy pair. We also report the detection of IRAS 12032+1707, a new OH gigamaser.

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